Combination pushchair frame



FIG. 1 is a perspective view of a combination pushchair frame showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a side view thereof;

FIG. 9 is a side view thereof;

FIG. 10 is a side view thereof;

FIG. 11 is a side view thereof;

FIG. 12 is a side view thereof; and,

FIG. 13 is a side view thereof.

The broken lines FIGS. 8 through 13 are included for the purpose of illustrating structural environment and form no part of the claimed design. 

The ornamental design for a combination pushchair frame, as shown and described. 